Constituted 15 August 1917 in the National Army as the 39th Engineers

Organized 18 February 1918 at Camp Upton, New York

Converted and redesignated 7 September 1918 as the 39th Regiment, Transportation Corps

Regiment broken up November-December 1918 and its elements reorganized and redesignated as follows:

Regimental Headquarters and Headquarters Company disbanded 12 November 1918
Companies A, B, and C redesignated 12 December 1918 as the 26th, 27th, and 28th Companies, Transportation Corps, respectively

26th Company, Transportation Corps, demobilized 11 July 1919 at Camp Jackson, South Carolina; 27th and 28th Companies, Transportation Corps, demobilized 12 July 1919 at Camp Dodge, Iowa

Regiment reconstituted 1 October 1933 in the Regular Army as the 39th Engineers

Activated 1 June 1940 at Camp Ord, California

Reorganized and redesignated 1 July 1940 as the 19th Engineers

Redesignated 1 August 1942 as the 19th Engineer Combat Regiment

Regiment broken up 1 March 1945 and its elements reorganized and redesignated as follows:

1st Battalion as the 401st Engineer Combat Battalion

(Headquarters, Headquarters and Service Company as Headquarters and Headquarters Company, 19th Engineer Combat Group; 2d Battalion as the 402d Engineer Combat Battalion -- hereafter separate lineages)

401st Engineer Combat Battalion inactivated 6 December 1945 at Camp Polk, Louisiana

Redesignated 30 January 1947 as the 52d Engineer Combat Battalion

Reorganized and redesignated 8 November 1951 as the 52d Armored Engineer Battalion

Activated 27 November 1951 at Fort Leonard Wood, Missouri

Inactivated 16 March 1956 at Fort Leonard Wood, Missouri

Redesignated 21 November 1967 as the 52d Engineer Battalion

Activated 21 February 1968 at Fort Carson, Colorado

52d Engineer Battalion Honors

Campaign Participation Credit

World War I: Streamer without inscription

World War II: Algeria-French Morocco (with arrowhead); Tunisia; Sicily; Naples-Foggia; Rome-Arno; North Apennines; Po Valley

Southwest Asia: Defense of Saudi Arabia; Liberation and Defense of Kuwait

Decorations

Meritorious Unit Commendation (Army) for SOUTHWEST ASIA